ROOFING CONTRACTORS GENERAL TRADE KNOWLEDGE EXAMINATION CONTENT INFORMATION Revised September 14 The General Trade Knowledge portion of the examination is administered daily in Computer Based Testing (CBT) format. It will consist of 80 equally weighted questions. The examination will have questions relating to the following content areas and necessary knowledge for each area includes: reading and interpreting plans and specifications reading and interpreting codes basic mathematics (addition, subtraction, multiplication, division, calculations of area and volume, fractions, decimals, percentages, calculating the sides of triangles, square roots, powers of numbers, and solving simple algebraic equations for unknown variables) You should be prepared to respond to examination questions on any of the content areas listed. Questions asked and content areas tested on previous examinations should not be assumed to be the only possible questions to be asked or content areas to be tested on this examination. The percentage of questions shown for each content area may vary by as much as plus or minus three (3) percent. Please refer to the Candidate Information Brochure and the Reference List for additional information. Content Area A 15% Built-Up Roofs 1. Installation of metal gravel stops knowledge of adhesives requirements and 2. Performing test cuts knowledge of test cut requirements and knowledge of when required knowledge of sizes and best method of testing 3. Built-up roof surfaces knowledge of liquid applied coatings knowledge of spray polyurethanic foam knowledge of aggregates knowledge of cap sheets 4. Tie-ins for built-up roofs measuring for tie-ins using cold adhesives or sprayed materials 5. Insulating and ventilating for built-up roofs installing multiple layer insulation installing factory-tapered board roof insulation systems installing field-sloped roof fill, cricketed roof fill and insulation systems installing adhered in-place insulation (e.g., foam, epoxy) builtup roofs 6. Roof assembly installed over steel decks knowledge of underlayment knowledge of fastening requirements and knowledge of weight and dead loads knowledge of flute span capabilities of insulation 7. Roof assembly installed over concrete decks knowledge of weights and deadloads knowledge of underlayment requirements knowledge of adhesives requirements and Roofing Contractors General Trade Knowledge Examination Content Information Page 1 of 6
knowledge of deck preparation 8. Roof assembly installed over insulating concrete knowledge of weights and deadloads 9. Roof assembly installed over wood deck installing rosin-sized sheathing paper knowledge of weights and deadloads knowledge of underlayment requirements knowledge of adhesives requirements and knowledge of deck preparation 10. Installing coal tar pitch built-up roofing knowledge of determining roof slope knowledge of what materials can be used with coal tar knowledge of ponding knowledge of roof penetrations knowledge of sloped or tapered insulation requirements 11. Installing roofing felts knowledge of surface preparation and knowledge of temperature requirements knowledge of fastening requirements 12. Installing flashing and counter-flashing for built-up roofs 13. Maintenance and repair of built-up roofs determine roof type Content Area B 15% Shingles and Shakes 1. Selecting appropriate type of shingles knowledge of types available, knowledge of different types and compatibility knowledge of number of bundles per square knowledge of exposure requirements Page 2 of 6 knowledge of approximate coverage knowledge of roof deck requirements for application of wood shingles and wood shakes 2. Cutting shingles individually when using a pattern knowledge of cutting tools knowledge of measuring for cutting 3. Using the straight-up method knowledge of marking and following bond lines knowledge of shingling around obstructions 4. Using the stair stepping method knowledge of applying strips of underlayment knowledge of overlapping measurements 5. Straightening bond lines knowledge of marking and following bond lines knowledge of even and uneven lines knowledge of shingling around penetrations or obstructions 6. Installing wood shakes knowledge of doubling at all eaves knowledge of starter course placement knowledge of gutter requirements knowledge of trough requirements knowledge of shingle extension knowledge of spacing between adjacent shingles knowledge of nailing and fastening knowledge of attaching hip and ridge shingles knowledge of pre-manufactured hip and ridge unit application knowledge of preparing areas to be shingled knowledge of handling shingles knowledge of roofing underlayments 7. Determining fastener types, placement and length for wood shakes and shingles knowledge of types of fasteners and their application knowledge of spacing for different types of shingles knowledge of types of nails knowledge of size of nails needed and required 8. Determining width and grade for wood shakes knowledge of types of grades and when applicable
9. Determining shingle and shake exposure knowledge of slope calculations knowledge of coverage of one square of shingles based on following weather exposures knowledge of types of shingles and shakes and their properties knowledge of spacing requirements 10. Installing composite shingles knowledge of adhesive requirements knowledge of live loads knowledge of cutting knowledge of roof recover requirements knowledge of surface preparation requirements 11. Tie-ins for shingles and shakes methods and materials for tie-ins 12. Installing valleys knowledge of methods of installation knowledge of placing shingles appropriately knowledge of plastic cement knowledge of valley underlayments knowledge of adhesive requirements knowledge of underlayment trimming or dub corners verifying and selecting proper materials waterproofing blind/dead valleys connecting valleys 13. Installing and repairing ridges knowledge of alignment knowledge of determining size of nails/attachments knowledge of adhesives knowledge of temperature requirements knowledge of tabs 14. Installing drip edges knowledge of appropriate types of fasteners knowledge of sealants knowledge of flashing requirements shingle and shake roofs 16. Installing flashing and counter-flashing for shingle and shake roofs /compatibility 17. Maintenance and repair of shingle and shake roofs Content Area C 10% Architectural Metal Roofs 1. Installing architectural metal roofs knowledge of fasteners knowledge of caulk knowledge of adhesives knowledge of soldering knowledge of flashing knowledge of underlayment knowledge of wind loads use of dissimilar materials 2. Tie-ins for architectural metal roofs measuring for tie-ins using metal flashings 3. Installing metal shingles knowledge of adhesive requirements knowledge of sealants 4. Insulating and ventilating for architectural metal roofs architectural metal roofs 15. Insulating and ventilating for shingle and shake roofs installing insulation Page 3 of 6 5. Installing flashing and counter-flashing for architectural metal roofs
6. Maintenance and repair of architectural metal roofs Content Area D 15% Single Ply Systems 1. Installing adhesive-applied systems knowledge of adhesives and their properties knowledge of effects of sun 2. Installing heat applied systems knowledge of heat application equipment knowledge of application temperatures 3. Installing mechanically fastened systems knowledge of sealant requirements and 4. Tie-ins for single-ply roofs methods and materials for Tie-ins 5. Determining seaming needs knowledge of types of seaming adhesive and their properties knowledge of application requirements and knowledge of seaming tapes knowledge of heat seaming methods 6. Insulating and ventilating installing insulation installing factory-tapered board roof insulation systems installing field-sloped and cricketed roof fill and insulation systems single ply roofs 7. Installing flashing and counter-flashing knowledge of supported and unsupported membrane flashings 8. Maintenance and repair Content Area E 15% Modified Roofing Systems 1. Installing modified systems knowledge of asphalt properties knowledge of sealants and caulks knowledge of APP modified knowledge of SBS modified knowledge of SA modified 2. Installing adhesive-applied systems knowledge of adhesives and their properties knowledge of effects of sun knowledge of application methods 3. Installing heat applied systems knowledge of heat application equipment knowledge of application temperatures 4. Insulating and ventilating installing insulation installing factory-tapered board roof insulation systems installing field-sloped and cricketed roof fill and insulation systems modified roofing systems 5. Installing flashing and counter-flashing Content Area F 10% Concrete and Clay Tile Roofs 1. Loads 2. Roof Layout Bond lines 3. Adhesive requirements Page 4 of 6
4. Installing flashing and counter-flashing for concrete and tile roofs 5. Under tile drainage requirements 6. Plastic cement application requirements 7. Mortar applications 8. Battens 9. Fastening requirements 10. Ridge and hip tiles 11. Gables and perimeters 12. Foam 13. Underlayment 14. Insulating and ventilating for concrete and clay tile roofs concrete and clay tile roofs 2. Installation of floor slabs knowledge of materials knowledge of primers different membrane types hydrostatic pressure knowledge of hot and cold application methods knowledge of when membrane waterproofing is required Content Area H 5% Drain and Gutters 1. Verifying scupper overflow requirements knowledge of water flow rates 2. Determining gutter and downspout requirements knowledge of water flow rates 3. Installing gutters and downspouts knowledge of strapping knowledge of size requirements 4. Installing leader and conductor heads knowledge of caulk and sealants knowledge of size requirements 15. Tie-ins for concrete and tile roofs measuring for tie-ins using metal flashings 16. Maintenance and repair of concrete and tile roofs Content Area G 5% Membrane Waterproofing 1. Installation of walls below grade knowledge of materials knowledge of primers different membrane types hydrostatic pressure knowledge of hot and cold application methods knowledge of when membrane waterproofing is required Page 5 of 6 Content Area I 10% Equipment and Safety 1. Using ladders 2. Using scaffolds 3. Using hoists (manual and automatic) knowledge of load capabilities 4. Using lift trucks knowledge of load capabilities
5. Using kettles knowledge of tar temperature knowledge of temperature gauges and automatic controls knowledge of starting procedures 6. Using heat welding equipment knowledge of torches knowledge of hot air 7. Using manual lifts knowledge of load capabilities 8. Using pump lifts knowledge of dynamic heads knowledge of mechanical joints 9. Using roof jacks for steep pitch knowledge of proper anchoring procedures 10. Using spudding machines knowledge of aggregate disposal 11. Using compressors 12. Using pneumatic equipment knowledge of pressure requirements 13. Fall Protection Knowledge of safety requirements Knowledge of OSHA requirements Page 6 of 6